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[rails.git] / app / helpers / geocoder_helper.rb

diff --git a/app/helpers/geocoder_helper.rb b/app/helpers/geocoder_helper.rb
index 75e81665126375a65884743fd790e5138992d8e8..f5519ddc3fcd5cc0eca4d9d8ebc3638141d7eea3 100644 (file)
--- a/app/helpers/geocoder_helper.rb
+++ b/app/helpers/geocoder_helper.rb
@@ -1,11 +1,43 @@
 module GeocoderHelper
   def result_to_html(result)
-    html_options = {}
-    #html_options[:title] = strip_tags(result[:description]) if result[:description]
+    html_options = { :class => "set_position", :data => {} }
+
+    if result[:min_lon] and result[:min_lat] and result[:max_lon] and result[:max_lat]
+      url = "?minlon=#{result[:min_lon]}&minlat=#{result[:min_lat]}&maxlon=#{result[:max_lon]}&maxlat=#{result[:max_lat]}"
+    else
+      url = "?mlat=#{result[:lat]}&mlon=#{result[:lon]}&zoom=#{result[:zoom]}"
+    end
+
+    result.each do |key,value|
+      html_options[:data][key.to_s.tr('_', '-')] = value
+    end
+
     html = ""
     html << result[:prefix] if result[:prefix]
-    html << link_to_function(result[:name], "setPosition(#{result[:lat]}, #{result[:lon]}, #{result[:zoom]})", html_options)  if result[:name]
+    html << " " if result[:prefix] and result[:name]
+    html << link_to(result[:name], url, html_options) if result[:name]
     html << result[:suffix] if result[:suffix]
-    return html
+
+    return raw(html)
+  end
+
+  def describe_location(lat, lon, zoom = nil, language = nil)
+    zoom = zoom || 14
+    language = language || request.user_preferred_languages.join(',')
+    url = "http://nominatim.openstreetmap.org/reverse?lat=#{lat}&lon=#{lon}&zoom=#{zoom}&accept-language=#{language}"
+
+    begin
+      response = OSM::Timer.timeout(4) do
+        REXML::Document.new(Net::HTTP.get(URI.parse(url)))
+      end
+    rescue Exception
+      response = nil
+    end
+
+    if response and result = response.get_text("reversegeocode/result")
+      result.to_s
+    else
+      "#{number_with_precision(lat, :precision => 3)}, #{number_with_precision(lon, :precision => 3)}"
+    end
   end
 end